Stack Spend
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New & deprecated LLM models

A monthly log of what launched and what's being retired across every major model provider — each with live API prices and benchmark scores, updated automatically.

This month · October 2026

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New models — October 2026

No new model releases recorded for October 2026 yet. This page fills in automatically as release dates land in the dataset.

Deprecated & sunsetting — October 2026

12 models with an upstream retirement or sunset date in October 2026. Plan migrations before the date to avoid broken calls.

ModelProviderInput / 1MOutput / 1MBest scoreSunset date
gpt-3.5-turboOpenAI$0.50$1.5028.0%Sunsetting23 Oct 2026
gpt-3.5-turbo-0125OpenAI$0.50$1.5028.0%Sunsetting23 Oct 2026
gpt-3.5-turbo-16kOpenAI$3.00$4.00—Sunsetting23 Oct 2026
gpt-4-0613OpenAI$30.00$60.0046.6%Sunsetting23 Oct 2026
gpt-4-1106-previewOpenAI$10.00$30.0046.6%Sunsetting23 Oct 2026
gpt-4-turboOpenAI$10.00$30.0046.6%Sunsetting23 Oct 2026
gpt-4.1-nanoOpenAI$0.10$0.408.9%Sunsetting23 Oct 2026
o1OpenAI$15.00$60.0076.8%Sunsetting23 Oct 2026
o1-proOpenAI$150.00$600.00—Sunsetting23 Oct 2026
o3-miniOpenAI$1.10$4.4077.0%Sunsetting23 Oct 2026
o4-miniOpenAI$1.10$4.4079.6%Sunsetting23 Oct 2026
zai-glm-5-2Mistral$1.40$4.40—Sunsetting31 Oct 2026

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Prices from the LLM API Pricing Index, synced daily. Release & benchmark data via Epoch AI (CC BY); deprecation dates from provider metadata. When a new model beats one you use, model recommendations surface it automatically at your token mix.

Track the models you actually use — not a list.

StackSpend connects read-only to your AI providers, flags deprecations before they break your calls, and surfaces cheaper equal-quality swaps from this same live dataset.